Doraemon and its friends open a hole in the time and they're travel to the Country of Mayana, a lost Mayan civilization in the jungle. There, Nobita will know its perfect double, prince Thio, heir to the throne. Both will decide to interchange papers to try to save to the Country of Mayana of the claws of the infernal Ledina witch and her evil forces. (Source: ANN)

Nobita and his dad buy a big rhinoceros beetle, which he promises to his dad to take good care of it. Later, Doraemon's group finds a strange island where a tribe co-exists with prehistoric creatures long believed to extinct yet preserved by a mythical beetle spirit named Golden Hercules. However, the group has to deal with a group of criminals from the future who intend to capture Golden Hercules for a profit. (Source: Wikipedia)

The legendary hacker was chased to death by the system's AI in order to save humanity, and unexpectedly became the leader of the first sect in another world. However, in order to deal with the situation of all undercover agents in the sect and the system crisis that came with it, Chen Ning just wanted to keep a low profile and wait and see, have a look. But like a cone in the bag, even though he was cold-faced and unparalleled and cared about the world, he was still among thousands of flowers, and each one was touched. Finally, with the help of the system agent Jiang Que, Chen Ning's domineering body shook, and both the enemy and ourselves just bow down and bow! The secrets of the world rushed to be opened to him, and he finally solved the crisis of annihilation. (Source: Bilibili, translated)

Second season of Da Zhuzai: Nian Fan.